Viewing alternative matches

You'll notice the More matches link. Click it, and you can see all of the releases that bliss found information about. The fewer tracks you have in a folder the more likely this will be enabled, because the more releases there will be where all of these tracks appear. For example, here's an EP with just three tracks:

Because those three tracks appear on two releases, bliss has suggested both releases and left you to pick. You can see that the key difference are the track numbers (as well as the release name, obviously).